Home / 12,217.13-18,328.17-5,197.13

Finding the Fourth Proportional to 12,217.13, 18,328.17 and 5,197.13

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Solution

The fourth proportional to 12,217.13, 18,328.17 and 5,197.13 is: 7,796.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217.13 : 18,328.17 = 5,197.13 : x
  2. Step 2: Convert to fraction form
    12,217.13/18,328.17 = 5,197.13/x
  3. Step 3: Cross multiply
    12,217.13x = 18,328.17 × 5,197.13
  4. Step 4: Simplify right side
    12,217.13x = 95,253,882.15
  5. Step 5: Solve for x
    x = 95,253,882.15/12,217.13
  6. Step 6: Final answer
    x = 7,796.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.